DE102018213172A1 - Rail slider for a window regulator of a motor vehicle - Google Patents

Abstract

The invention relates to a rail glider (11) for a window lifter (1), in particular a cable window lifter, for raising and lowering a vehicle window (3) of a motor vehicle, with a guide area (13) acting as a rail wrap for receiving a profile section (18) of a guide rail (8 , 9), as well as with a slide insert (11b) accommodated in the guide area (13) and adapted to the profile section (18) of the guide rail (8, 9), which has a receiving chamber (19) open towards the guide rail (8, 9) Has lubricant reservoir.

Description

The invention relates to a rail slider for a window lifter, in particular a cable window lifter, for lifting and lowering a vehicle window of a motor vehicle, with a guide area effective as a rail wrap for receiving a profile section of a guide rail.

Such a window regulator is for example from the DE 20 2005 011 760 U1 and from the DE 10 2012 208 564 A1 known. Known window lifters of this type with a cable pull mechanism for lifting and lowering a pane, which is held for example in a two-strand cable window regulator by means of rail sliders along two mutually parallel guide rails, typically have a cable pull which, on the one hand, in a cable drum winding and unwinding it on the other hand, with multiple deflections to one of the rail sliders and fixed there.

From the DE 202 11 131 U1 a driver for guiding or taking a motor vehicle window pane along a guide rail arranged in a motor vehicle door is known. The driver, which is positively mounted on the guide rail and is slidably arranged on the latter, has two areas made of different plastic materials, a first area, which forms a surface section serving as a guide, having a low coefficient of friction for good sliding properties. Polyoxymethylene (POM) is specified as the material of this first area, while the second area consists, for example, of POM base material and a glass fiber reinforcement.

The invention is based on the object of specifying a rail glider for a cable window lifter that is simple in construction and at the same time has high functionality.

This object is achieved according to the invention by the features of claim 1. Advantageous refinements and developments are the subject of the dependent claims.

The rail slider for a window regulator (window regulator system), in particular for a cable window regulator, serves to raise and lower a vehicle window of a motor vehicle. The rail slider has a guide area which acts as a rail wrap for receiving a profile section of a guide rail of the window lifter or window lift system and a slide insert which is received in this guide area and is adapted to the profile section of the guide rail and which in turn has a receiving chamber which is open towards the guide rail. In other words, the rail slider has a rail slider base body with the guide area in the form of a, in particular claw-like, rail wrap and the slide insert, that is to say is composed of the rail slide base body and the slide insert which is joined to the rail slider base body in its guide area (rail wrap) and clipped there, for example or is engaged.

In the course of installing the window lifter, for example in a side door or in a door module of the motor vehicle, the rail slider is mounted on or on the guide rail and overlaps and / or engages behind the corresponding profile section. With the or a first method of the rail slider along the guide rail, lubricant (grease) is applied to the rail side facing the receiving chamber (upper side of the guide rail) and distributed.

The receiving chamber thus serves, as it were, as a lubricant reservoir for greasing (greasing) the guide rail in the region of the sliding insert abutting the profile section of the guide rail. For this purpose, the profile section of the guide rail suitably has a running surface which is overlapped within the guide region by the receiving chamber as a reservoir for the lubricant and is lubricated by the lubricant as the sliding insert slides along the guide rail.

By greasing the guide rail by means of the reservoir in the rail slider itself, manual greasing of the guide rail is not necessary, so that interruptions in the grease film and uneven distribution of grease on the track of the guide rail for the rail slider are avoided, particularly when handling the grease. In addition, the desired grease film is only applied to the track. A carryover of grease that is practically unavoidable in typical manual greasing can thus only occur after the rail glider procedure.

The profile section which is overlapped or encompassed by the sliding insert lying in the guide region of the rail slider is typically L-shaped in cross section of the guide rail, while the cross section of the guide rail itself is double-L-shaped or Z-shaped or S-shaped or hat-shaped Is kind of a top-hat rail. The guide area of the rail slider and the sliding insert located therein thus overlap or encompass only a partial area of the guide rail.

In an advantageous embodiment, the slide insert has a spring-like slide section which rests resiliently on the profile section of the guide rail when the rail slider is mounted, that is to say with a corresponding spring force. The sliding section is suitably designed as a sliding or spring tongue. The receiving chamber, as a reservoir for the lubricant, is provided in this sliding section, in particular arranged between two spring sections of the sliding or spring tongue. The sliding section thus fulfills a double function, namely, on the one hand, pressing the sliding insert against the profile section of the guide rail or against the rail slider within its guide area, and, on the other hand, at least partially closing the receiving chamber open towards the profile section, so that lubricant cannot escape unintentionally and / or in an uncontrolled manner ,

In a further embodiment, the slide insert is positively received in the guide region of the rail slider (main body of the rail slider) for receiving the profile section of the guide rail. Sliding of the sliding insert out of the guide area of the rail slider base body is thus reliably avoided. The slide insert is suitably snapped or clipped into the guide area for receiving the profile section of the guide rail.

Furthermore, an embodiment of the slide insert provides that it has a first slide leg extending in the longitudinal direction of the guide rail and a second slide leg. The second sliding leg forms with the first sliding leg an L-shaped or Z-shaped sliding area. In other words, the two sliding legs delimit an L- or Z-shaped receiving and / or sliding space, in which the profile section of the guide rail lies and is encompassed by the two sliding legs, with the exception of the transition region of the profile section to the rest of the guide rail profile.

A window recess is suitably provided along the second slide leg, which is in overlap with a corresponding window recess of the guide area. In this window area or section, the receiving chamber is arranged or provided as a reservoir for lubricants. As a result, the receiving chamber is advantageously accessible from the outside and can therefore be easily loaded (filled or filled) with lubricant.

In this embodiment, the slide insert on the first slide leg expediently has at least one contact section which overlaps a corresponding contact contour of the guide region for receiving the profile section of the guide rail.

In an advantageous further development, the sliding insert is made of polyoxymethylene (POM), for example using the injection molding process. In addition, at least the guide area of the rail slider for receiving the sliding insert, preferably the entire rail slider base, is made of fiber-reinforced, in particular glass-fiber-reinforced, plastic, for example of polyamide (PA).

The rail slider, which is advantageously provided and set up for a window regulator, in particular a cable window regulator, of a motor vehicle, can itself be designed to connect the pane (vehicle pane) which can be raised and lowered between two end position positions, or can be connected as a carrier as a carrier means, on which the vehicle pane is then held.

• 1 schematisch in einer Seitendarstellung einen zweistrangigen Seilfensterheber mit zueinander beabstandeten Führungsschienen und darauf verschiebbar geführten Schienengleitern, die mit an eine Fahrzeugscheibe angebundenen Mitnehmern verbunden sind,
• 2 in perspektivischer Darstellung den Schienengleiter bzw. dessen Schienenumgriff mit einem einen Profilabschnitt einer der Führungsschienen umgreifenden Führungsbereich und darin einliegendem Gleiteinsatz (Schienengleiterclip) mit über einen Fensterabschnitt (Fensterbereich) zugänglicher Aufnahmekammer als Reservoir für Schmiermittel zum Fetten der Führungsschiene bzw. deren Profilabschnitts,
• 3 in einer Darstellung gemäß 2 den Schienengleiter bzw. dessen Schienenumgriff mit Blick auf den Gleiteinsatz und in die Aufnahmekammer,
• 4 in einer Seitendarstellung den Schienengleiter bzw. dessen Schienenumgriff mit vom Gleiteinsatz umgriffenem Profilabschnitt der Führungsschiene,
• 5 eine Schnittdarstellung entlang der Linie V-V in 4, und
• 6 in perspektivischer Darstellung den Profilabschnitt der Führungsschiene und den diesen umgreifenden Gleiteinsatz, wobei ein Laufflächenabschnitt (Laufbahnabschnitt) des Profilabschnitts mit einem Fettfilm aus Schmiermittel aus der Aufnahmekammer des Gleiteinsatzes benetzt ist.

An exemplary embodiment of the invention is explained in more detail below with reference to a drawing. In it show:

• 1 schematically in a side view a two-strand cable window lifter with spaced guide rails and sliding slides guided thereon, which are connected to drivers connected to a vehicle window,
• 2 a perspective view of the rail slider or its rail wrap with a profile section of a guide area encompassing the guide rails and a sliding insert (rail slider clip) lying therein with a receiving chamber accessible via a window section (window area) as a reservoir for lubricants for greasing the guide rail or its profile section,
• 3 in a representation according to 2 the rail glider or its rail wrap with a view of the slide insert and into the receiving chamber,
• 4 in a side view the rail slider or its rail wrap with the profile section of the guide rail encompassed by the sliding insert,
• 5 a sectional view taken along the line VV in 4 , and
• 6 a perspective view of the profile section of the guide rail and the sliding insert encompassing it, a tread section (track section) of the profile section being wetted with a grease film of lubricant from the receiving chamber of the sliding insert.

Corresponding parts are provided with the same reference symbols in all figures.

1 shows an embodiment of a two-strand window regulator 1 in the form of a so-called cable window lifter for motor vehicles. The window regulator is shown 1 within a section of a door module or a door inner panel 2 , For lifting and lowering and thus for closing or opening a window (vehicle window) 3 is a pull rope 4 on a rope pulley or rope drum driven in particular by an electric motor 5 wound. The two rope ends 4a and 4b of the pull rope 4 proceed from the rope drum 5 each to a roller-like deflection 6 respectively. 7 , The diversions 6 . 7 are on opposite rail ends 8b and 9a one guide rail each 8th respectively. 9 arranged and preferably held there. In the area between the rail ends 8a and 8b such as 9a and 9b the respective guide rail 8th . 9 the two rope ends run 4a . 4b expediently parallel and at least approximately centrally along the corresponding guide rail 8th respectively. 9 ,

A rail glider 11 is slidably connected to the respective guide rail 8th . 9 , The free end of the corresponding rope end 4a respectively. 4b of the one-piece pull rope 4 is in a nipple chamber 10 introduced. In the exemplary embodiment, the nipple chamber 10 in one on the respective guide rail 8th . 9 Slidably held, expediently constructed rail gliders 11 provided with a driver 12 connected is. The driver 12 that instead of the rail slider 11 the nipple chamber 10 have and also integral part of the rail slider 11 can be used to connect the disc 3 to the rail glider 11 ,

A rotating movement of the rope drum 5 clockwise leads to the winding of the upper rope end 4b and at the same time to unwind the lower end of the rope 4a of the one-piece pull rope 4 , As a result, the cable drum is in this direction of rotation 5 the two rail gliders 11 upwards and thus the disc 3 driven in the closing direction. When reversing the direction of rotation of the rope drum 5 the rail gliders slide counter-clockwise 11 along the respective guide rail 8th respectively. 9 in the opposite direction downwards with the result that the disc 3 is guided in the opening direction.

The 2 and 3 show the rail slider in perspective 11 with or without guide rail 8th . 9 , The rail glider 11 is made up of a basic rail glider body 11a and a gliding insert 11b , The gliding insert 11b lies in a guide area effective as a rail wrap 13 of the rail glider 11 or rail slider body 11a on. The leadership area 13 is an L-shaped receiving space for a sliding insert 11b , Its outer contour is - seen in cross section - on the contour of the guide area 13 customized.

The gliding insert 11b has a first sliding leg 14 and a second slide leg 15 on what sliding legs 14 . 15 about a bend 16 within the leadership area 13 of the rail glider 11 or rail slider base body 11a merge. Between the two sliding legs 14 . 15 is therefore a sliding chamber 17 educated. Their contour corresponds to the contour of the guide area 13 of the rail glider 11 , The one in this leadership area 13 recorded sliding insert 11b is on a corresponding profile section 18 (Z profile) of the guide rail 8th . 9 customized.

The gliding insert 11b has a receiving chamber 19 as a reservoir for lubricants SM ( 5 ) on. The reception chamber 19 is one of the treads 18a . 18b of the profile section 18 the respective guide rail 8th . 9 open towards. In the representations of the 1 and 2 this is the bottom tread 18b of the profile section 18 , When the window lifter is installed 1 inside the vehicle door, this is the tread of the profile section pointing outwards 18 ,

The profile section is recognizable 18 who is in the leadership area 13 of the rail glider 11 sits and from the gliding insert 11b is almost completely encompassed, also L-shaped in cross section. Otherwise, the section of the guide rail shown 8th . 9 or even double L-shaped in cross-section, the one in the guide area 13 picked up and from the gliding insert 11b encompassed profile section 13 quasi an outward bent L-leg of the profile section 13 or the guide rail 8th . 9 forms.

The gliding insert 11b points to its comparatively long first L-shaped sliding leg 14 a middle section of the plant 20 on which a corresponding investment contour 21 of the management area 13 of the rail glider 11 overlaps. Two further, outer sections of the plant 22 also overlap the system contour 21 of the management area 13 of the rail glider 11 , In this way, an exact positioning of the sliding insert 11 in the management area 13 of the rail glider 11 , especially when clipping in the gliding insert 11 in the rail slider base 1a , reached.

The leadership area 13 of the rail glider 11 also has a window recess 23 on which with a corresponding window recess 24 of the gliding insert 11b aligned, ie is in overlap. How especially out 3 is recognizable is through these corresponding window recesses 23 . 24 the reception chamber 19 as a reservoir for the lubricant SM accessible. The window recess 24 of the gliding insert 11b is along the comparatively short second joint leg 15 and preferably provided there in the middle leg area.

4 shows a side view and a cross section of the rail slider 11 with in the management area 13 arranged slide set 11b and from this encompassed profile section 18 the guide rail 8th . 9 , The first sliding leg is clearly visible 14 and the second slide leg 15 of the gliding insert 11b at least partially on corresponding areas of the profile section 18 on. Especially in the area of the reception chamber 19 for the lubricant SM there is a sliding section 25 of the sliding part 11b resilient (resilient). This sliding section 25 is in the embodiment on the comparatively long first slide leg 14 of the gliding insert 11b provided, while the slide-side window recess 24 in the comparatively short second glide leg 15 is provided.

As with the 5 which have a cross section along the line VV in 4 represents, can be seen comparatively clearly, is the sliding section 25 as slide or spring tongue with two spring sections 25a . 25b educated. Between these spring sections 25a . 25b of the sliding section 25 is the receiving chamber 19 for the lubricant SM , The sliding section 25 and in particular its spring sections 25a . 25b , which in the assembly state shown on the corresponding tread 18b of the profile section 18 the guide rail 8th . 9 prevent uncontrolled or unwanted lubricant leakage SM from the reception chamber 19 and allow an even application of lubricant to the tread 18b of the profile section 18 in both directions of the rail glider 11 ,

6 shows the guide rail 8th . 9 with their profile section 18 and sliding insert on it 11b , The spring sections are clearly visible 25a . 25b of the sliding section 25 which is the reception chamber 19 for the lubricant SM has on the corresponding tread 18b of the profile section 18 the guide rail 8th . 9 on. A state is shown according to a method of the rail slider 11 or the sliding insert 11b along the guide rail 8th . 9 over a certain area of the profile section 18 ,

In the state shown, lubricant (grease) SM from the reception chamber 19 in the course of this process of the rail glider 11 on the profile section 18 and thus on the guide rail 8th . 9 emerged and has spread as a grease film on the tread 18b of the profile section 18 placed. In other words, a targeted application of lubricant SM as a grease film on the desired tread 18b of the profile section 18 the guide rail 8th . 9 in the course of the preferably first-time procedure of the rail glider 11 along the guide rail 8th . 9 manufactured, the rail slider 11 even the lubricant SM in the receiving chamber serving as a lubricant reservoir 19 of the gliding insert 11b carries.

In summary, the one for a window regulator 1 , in particular cable window lifters, for lifting and lowering a vehicle window 3 a rail glider provided and set up in a motor vehicle 11 a basic rail body 11a with a guide area or rail wrap 13 to accommodate a profile section 18 a guide rail 8th . 9 and one in the leadership area 13 used or usable sliding insert 11b on that to the profile section 18 the guide rail ( 8th . 9 ) is adapted and one for the guide rail 8th . 9 open chamber 19 has as a lubricant reservoir.

The invention is not restricted to the exemplary embodiment described above. Rather, other variants of the invention can also be derived therefrom by the person skilled in the art without departing from the subject matter of the invention. In particular, all of the individual features described in connection with the exemplary embodiments can also be combined with one another in other ways without departing from the subject matter of the invention.

LIST OF REFERENCE NUMBERS

1

Rope / windows

2

Door module / -innenblech

3

Vehicle / disc

4

rope

4a, b

rope end

5

Cable drum / -Pulley

6

redirection

7

redirection

8th

guide rail

8a, b

rail end

9

guide rail

9a, b

rail end

10

nipple chamber

11

rail glider

11a

Rail glider base

11b

sliding insert

12

takeaway

13

Guide region / Schienenumgriff

14

first slide leg

15

second slide leg

16

bend

17

sliding chamber

18

profile section

18a, b

tread

19

receiving chamber

20

middle plant section

21

contact contour

22

outer plant section

23

window recess on the glider side

24

window recess on the sliding insert

25

sliding

25a, b

spring section

SM

lubricant

QUOTES INCLUDE IN THE DESCRIPTION

This list of documents listed by the applicant has been generated automatically and is only included for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent literature cited

• DE 202005011760 U1 [0002]
• DE 102012208564 A1 [0002]
• DE 20211131 U1 [0003]

Claims (10)

Rail slider (11) for a window regulator (1), in particular cable window regulator, for raising and lowering a vehicle window (3) of a motor vehicle, with a guide area (13) acting as a rail wrap for receiving a profile section (18) of a guide rail (8, 9) characterized by a sliding insert (11b) accommodated in the guide area (13) and adapted to the profile section (18) of the guide rail (8, 9), which has a receiving chamber (19) open towards the guide rail (8, 9) as a reservoir for lubricant ( SM). Rail slider (11) after Claim 1 , characterized in that - the slide insert (11b) has a slide section (25) resiliently resting on the profile section (18) of the guide rail (8, 9), in particular in the form of a slide or spring tongue, and - that the receiving chamber (19) is provided as a reservoir for the lubricant (SM) in the sliding section (25), in particular between two spring sections (25a, 25b). Rail slider (11) after Claim 1 or 2 , characterized in that the sliding insert (11b) is positively received in the guide area (13) for receiving the profile section (18) of the guide rail (8, 9). Rail slider (11) according to one of the Claims 1 to 3 , characterized in that the sliding insert (11b) is snapped or clipped into the guide region (13) for receiving the profile section (18) of the guide rail (8, 9). Rail slider (11) according to one of the Claims 1 to 4 , characterized in that the guide area (13) and the sliding insert (11b) accommodated therein engages around the profile section (18) of the guide rail (8, 9). Rail slider (11) according to one of the Claims 1 to 6 , characterized in that - the sliding insert (11b) has a first sliding leg (14) extending in the longitudinal direction of the guide rail (8, 9) and a second sliding leg (15) which is connected to the first sliding leg (14) and one, in particular arcuate , Transition section or an offset (16) forms a sliding chamber (17) adapted to the contour of the guide region (13), and - that a window recess (24) is provided along the second sliding leg (15), which has a corresponding window recess (23) of the guide area (13) is overlapping, the receiving chamber (19) being accessible as a reservoir for and / or for receiving lubricant (SM) via the window recesses (23, 24). Rail slider (11) after Claim 6 , characterized in that the slide insert (11b) on the first slide leg (15) has at least one contact section (20, 22) which has a corresponding contact contour (21) of the guide area (13) for receiving the profile section (18) of the guide rail (8, 9) overlaps. Rail slider (11) according to one of the Claims 1 to 7 , characterized in that the profile section (18) of the guide rail (8, 9) extends within the guide region (13) of the receiving chamber (19) as a reservoir for the lubricant (SM) and in the course of the sliding of the sliding insert (11b) the guide rail (8, 9) has grease (18b) lubricated by the lubricant (SM). Rail slider (11) according to one of the Claims 1 to 8th , characterized in that - the slide insert (11b) consists of polyoxymethylene (POM), and / or - that its rail slider base body (11a) or at least its guide area (13) for receiving the profile section (18) of the guide rail (8, 9) fiber-reinforced, in particular glass-fiber reinforced, plastic. Window lifter (1), in particular cable window lifter, of a motor vehicle, with at least one rail glider (11) according to one of the Claims 1 to 9 ,

Images